How To Get Color When Tig Welding
The width of the bead should be consistent and have an attractive face surface profile.
How to get color when tig welding. Once again for simplicity all you need is to have pure tungsten for aluminum and either thoriated or ceriated tungsten for steel and stainless. That is why gas welding steel with an oxyfuel torch looks so gray all over. MattM Tig Welding can be a black art if you start on your own with no direction.
The edges of the weld bead should have a smooth transition into the base metal without undercut a defect that appears as a groove in the parent material. Tungsten for tig welding is color coded. To get rid of grey or dull color you need.
TIG stands for Tungsten Inert Gas named from the tungsten electrode and the shield of inert gas Argon or argon mixture surrounding it. Learn how to TIG Weld. In most cases the tungsten type used will be 2 Cerium with an orange color and an AWS classification of EWCe-2.
This video is sponsored by LincolnElectric to demonstrate the TIG 200 Square Wave. The colors on the surface of the weld have NOTHING to do with your welding. One the weld puddle appears dirty.
Welding code acceptance criteria tables detail the colors or amount of oxidation that are acceptable in a weld. Corrosion puts the integrity of the weld in jeopardy. The moment you see the weld pool changing color to red nearing blue stop and use post flow.
Stainless retains heat for a very long time. Then let the material cool for a good while. And three the arc becomes erratic.